package cn.yunhe.biz;

import java.io.IOException;
import java.util.List;

import cn.yunhe.entity.Book;
import cn.yunhe.entity.Cart;
import cn.yunhe.entity.Course;
import cn.yunhe.entity.CourseDisplay;

public interface Coursebiz {
	public List<Course> findAll() throws IOException;
	public Course findcoursebyid(String id) throws IOException;
	public void InsertCourseDisplay(CourseDisplay coursedisplay) throws IOException;
	public CourseDisplay FindCourseDisplayById(String sid) throws IOException;
}
